City break

Koblenz weather in August

Temperature, rain and sunshine in August: long-term averages from 30 years of weather data, not a forecast.

74

Holiday weather in August

Good

Best time to visit: May – September

What is the weather like in Koblenz in August?

In August, Koblenz is warm: daytime highs average 24 °C, and nights cool down to about 15 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 74 mm in total. All in all, August is a good month for a holiday in Koblenz.

August compared

How the weather changes from July to September. Tap a month to open it.

JulyJulAugustAugSeptemberSep
Score727473
Day24°24°20°
Night15°15°12°
Sun6 h6 h5 h
Rain days131210

More details for August

Daylight
14 h 35 min06:17 – 20:52
UV index
6 · highclear sky, noon (estimate)All months
Muggy days
1 daydew point 18 °C or moreAll months
Wind
14 km/haverage daily peakAll months
Cloud cover
60 %on averageAll months
Hot days
3 days30 °C or moreAll months
Snow days
0 days1 cm or more of fresh snowAll months
Time zone
UTC+2Europe/Berlin

How the score comes together

  • Temperatureweight 50 %100 %
  • Sunshineweight 20 %57 %
  • Few rainy daysweight 30 %41 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in August

  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings
  • Rain jacket or umbrella

Koblenz in August: quick answers

Is Koblenz hot in August?

Warm rather than hot: in August, daytime highs in Koblenz average 24 °C and nights cool to about 15 °C. On about 3 days the thermometer climbs to 30 °C or more.

Does it rain much in Koblenz in August?

Rain is frequent, with about 12 rainy days and 74 mm in total.

Koblenz month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences